# Glister Smart vs Siffi

The clearest difference is update cadence: Glister Smart at every 9 days against Siffi's every 2 months. Glister Smart also leads on iOS requirement (8.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Glister Smart ships an update every 9 days, Siffi every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Glister Smart | Siffi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 52.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free | — |
| Size | 48 MB | 90 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [立华 赵](https://appshunter.io/developer/743608936) | [Minudoc OÜ](https://appshunter.io/developer/1465732930) |

## What reviewers say

### Glister Smart

[App page](https://appshunter.io/ios/app/glister-smart/id1435143755)

This smart toothbrush app guides you to develop better brushing habits. It tracks 16 areas of your mouth in real-time, providing daily reports to help you improve coverage. Monitor your brushing history over time and receive reminders to replace your brush head.

**Highlights:** Real-time 16-area brushing guidance, Daily, weekly, and monthly brushing reports, Sonic action up to 40000 strokes/min, Offline data synchronization, Brush head replacement reminders, Multiple brushing modes

**Features:** macOS Compatibility

**In-app purchases:** none


### Siffi

[App page](https://appshunter.io/ios/app/siffi/id1629846508)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Glister Smart free?

Glister Smart is free to download, with no in-app purchases.

### Is Siffi free?

Siffi is free to download, with no in-app purchases.

### Do Glister Smart or Siffi have ads?

Neither Glister Smart nor Siffi shows ads.

### Which is updated more often, Glister Smart or Siffi?

Glister Smart ships an update every 9 days, and Siffi every 2 months. Most recently, Glister Smart was updated on November 2, 2026 and Siffi on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*